686 patents
Page 23 of 35
Utility
Riding Work Vehicle
27 May 21
In a riding work vehicle, power of an engine is transmitted to a traveling wheel via a horizontally oriented transmission shaft and a vertically oriented transmission shaft.
Minoru Hiraoka, Junichi Ishikawa, Shinsuke Kotani, Ryota Imanishi
Filed: 31 May 19
Utility
Hydraulic System for Working Machine
20 May 21
A hydraulic system includes a first output fluid tube connecting between a hydraulic pump to output operation fluid and a first operation valve to change a first pilot pressure of the operation fluid, a second output fluid tube connected between the hydraulic pump and a second operation valve to change a second pilot pressure of the operation fluid, a switching valve provided in the second output fluid tube, and a warm-up fluid tube connected between the first operation valve and the switching valve, wherein the switching valve is switched between a first position allowing the operation fluid to be drained through the first output fluid tube, the first operation valve, the warm-up fluid tube and the switching valve, and a second position allowing the operation fluid to be supplied through second output fluid tube to the second operation valve.
Yuji FUKUDA
Filed: 28 Jan 21
Utility
Working Vehicle
20 May 21
A working vehicle includes a steering device to steer a vehicle body, a working device connected to the vehicle body, an automatic steering controller to perform automatic steering of the steering device based on a difference between a scheduled traveling line and a position of the vehicle body, and a parameter changer to change a control parameter of the automatic steering depending on the working device connected to the vehicle body.
Shunsuke MIYASHITA, Yasuaki MORIOKA, Kunihiko NISHINO, Kumiko KOBAYASHI, Misako KAWAI
Filed: 5 Jan 21
Utility
Yield Calculation System, Yield Map Generation System, Method of Calculating Yield for Baler, and Computer Readable Storage Medium
13 May 21
A yield calculation system comprises a position sensor configured to detect a position.
Takeru IBUKI, Hirokazu SASAMOTO, Sakura SASAKURA, Yasuhiro NISHIDA
Filed: 4 Nov 20
Utility
Mower
13 May 21
There are included a passage portion provided at an upper surface portion of a mower deck, front and back slope portions and provided at front and back portions of the passage portion, front and back supporting portions supporting the slope portions in such a manner that the slope portions are movable in the front-back direction and swingable in the up-down direction, and front and back linking portions that are supported in such a manner as to be swingable in the front-back direction about axes extending in the left-right direction and that are connected with the slope portions.
Terumasa Kobayashi, Seiya Sato, Ryusuke Kawamoto
Filed: 9 Jun 20
Utility
Working Vehicle
13 May 21
A working vehicle includes an operator seat, an armrest arranged on a side of the operator seat, and a speed shifter to change a traveling speed.
Takashi KOSAKI, Takuya INAMORI, Yoshihiko KUROSHITA, Michita KONO, Yuji IMANAGA
Filed: 27 Oct 20
Utility
Mower
13 May 21
There are included front and back slope portions attachable to and detachable from storage positions and use positions, front and back holding portions capable of engaging with engagement portions of the front and back slope portions as attached to the storage positions and holding the front and back slope portions at the storage positions, and a disengaging operation tool capable of being manually operated to a disengaging position at which the front holding portion and the back holding portion are releasable from the engagement portions of the front and back slope portions and at which the slope portions are detachable from the storage positions.
Terumasa Kobayashi, Nobuyuki Yamashita, Ryotaro Nakatsu
Filed: 10 Jun 20
Utility
Traveling Vehicle
6 May 21
A traveling vehicle includes a pair of left and right drive wheels, a drive unit for providing driving force to the drive wheels, a drive wheel operation unit having a forward speed position, a neutral position, a reverse speed position and a parking position, a position detector for detecting the parking position of the drive wheel operation unit, a parking brake configured to brake the drive wheels under an operative state thereof, a rotation detector for detecting a predetermined state from a stopped state to a predetermined rotational speed of the drive wheels and a control unit configured to render the parking brake into the operative state on a condition including detection of the parking position by the position detector and detection of the predetermined state by the rotation detector.
Yasuhiro Manji
Filed: 13 May 20
Utility
Traveling Vehicle
6 May 21
A traveling vehicle includes a left drive wheel and a right drive wheel which are driven independently by a left driving section and a right driving section, a manual operation unit configured to provide a left speed instruction for adjusting a rotational speed of the left drive wheel and a right speed instruction for adjusting a rotational speed of the right drive wheel and a drive control unit configured to control driving of the left driving section and the right driving section based on the left speed instruction and the right speed instruction, with using a first control method and a second control method which are provided with different control properties from each other.
Yasuhiro Manji
Filed: 13 May 20
Utility
Work Vehicle
29 Apr 21
The disclosure provides a work vehicle in which clogging of a filter of an air cleaner with snow can be suppressed.
Ryosuke TANAKA, Satoru YAMANAKA
Filed: 21 Sep 20
Utility
Agricultural Machine
29 Apr 21
An agricultural machine includes a vehicle body including a front wheel and a rear wheel, a hood at a front portion of the vehicle body, a protector provided to the vehicle body to protect an operator seat, and an obstacle detector to detect an obstacle, the obstacle detector being located in front of the protector outwardly in a width direction of the hood.
Takuya NISHIKUBO, Hiroshi MIYAKE
Filed: 5 Jan 21
Utility
Hydraulic System for Working Machine
29 Apr 21
A hydraulic system includes a first supply line connecting a boom control valve and a bottom side of a boom cylinder, a second supply line connecting the boom control valve and a rod side of the boom cylinder, a leveling switch valve having: a first operating position allowing a leveling operation of a working tool; and a first stopping position allowing the leveling operation to stop, a ride controller including: a ride-control switch valve connected to a branched fluid line branched from the first supply line; and an accumulator configured to perform an anti-vibrating operation for suppressing a pressure fluctuation of the boom cylinder, and a drain fluid line to discharge operation fluid in a downstream section extending from the leveling switch valve to the rod side of the boom cylinder in the second supply line when the leveling switch valve is switched to the first stopping position.
Yuji FUKUDA
Filed: 22 Oct 20
Utility
Working Vehicle
29 Apr 21
A working vehicle includes a steering handle, a vehicle body to travel with either manual steering by the steering handle or automatic steering of the steering handle based on a traveling reference line, an operator provided to the vehicle body, and a controller to terminate the automatic steering when the operator is operated under the automatic steering.
Shunsuke MIYASHITA, Yasuaki MORIOKA, Kunihiko NISHINO, Kumiko KOBAYASHI, Misako KAWAI
Filed: 5 Jan 21
Utility
Working Machine
29 Apr 21
A working machine includes a hydraulic device, an operation valve to supply operation fluid to operate the hydraulic device and to vary the operation fluid to be supplied to the hydraulic device, an operation device having an operation member supported swingably, the operation device being configured to output an operation signal in accordance with an operation amount of the operation member, and a controller including a swing calculator to calculate an evaluation value representing a degree of swinging of the operation member, and a control signal generator to generate a control signal based on the evaluation value and the operation signal.
Masahiro TOYAMA, Ryuki NISHIMOTO, Yuji FUKUDA, Kohei NAGAO, Ryota HAMAMOTO, Hiroaki NAKAGAWA
Filed: 21 Oct 20
Utility
Working Machine
29 Apr 21
A working machine includes a switching valve to switch between a first state and a second state, the first state allowing a revolving speed of a traveling motor to be a first speed, the second state allowing the revolving speed of the traveling motor to be a second speed, and a controller device to reduce the revolving speed of the prime mover in either acceleration to switch from the first state to the second state or deceleration to switch from the second state to the first state.
Yuji FUKUDA, Ryota HAMAMOTO, Jun TOMITA
Filed: 22 Oct 20
Utility
Working Machine
29 Apr 21
A working machine includes a machine body, a prime mover, a traveling device mounted on the machine body, a traveling motor to provide a power to the traveling device and to switch between a first speed and a second speed higher than the first speed, a traveling pump to be driven by the prime mover and to supply operation fluid to the traveling motor, and a controller device including an automatic shifter to automatically shift the traveling motor to the first speed or to the second speed, a timer to count an elapsed time from the automatically shifting, and a shift prohibitor to prohibit the automatically shifting by the automatic shifter when the elapsed time counted by the timer is less than a threshold.
Yuji FUKUDA, Ryota HAMAMOTO, Jun TOMITA
Filed: 21 Oct 20
Utility
Agricultural Machine
29 Apr 21
An agricultural machine includes a vehicle body including a front wheel and a rear wheel, an obstacle detector to detect an obstacle, and a position changer to change a position of the obstacle detector.
Takuya NISHIKUBO
Filed: 5 Jan 21
Utility
Working Machine
22 Apr 21
A working machine includes a support bracket attached to a machine body, a first mounting member provided to the support bracket and formed of an elastic member, a first cooler and a second cooler arranged in parallel to a horizontal direction and mounted on the support bracket with the first mounting member, a fitting bracket detachably fitted to upper portions of the first and second coolers, and a second mounting member arranged between the fitting bracket and the first and second coolers and formed of elastic member.
Tatsuro YAMAMOTO, Yoshiyuki ENOMOTO, Akira KOMUKAI, Daisuke YOSHIDA, Masahiro YAMAMOTO, Toyoharu HASHIMA
Filed: 16 Dec 20
Utility
Working Vehicle
22 Apr 21
A working vehicle includes a steering device including a steering handle, a vehicle body to travel with either manual steering by the steering handle or automatic steering of the steering handle based on a traveling reference traveling line, and a controller to permit automatic steering based on steering angles of the steering device obtained when the vehicle body travels a predetermined distance while being steered by the manual steering.
Shunsuke MIYASHITA, Toru TAMBO, Kenichi IWAMI, Hiroki SUGA, Yasuaki MORIOKA, Kunihiko NISHINO, Kumiko KOBAYASHI, Misako KAWAI
Filed: 24 Dec 20
Utility
Hydraulic System of Work Machine and Work Machine
8 Apr 21
A hydraulic system of a work machine includes a first hydraulic device to operate in a first operation mode while pressure of hydraulic oil supplied from a hydraulic pump via a first oil passage is equal to or higher than a first pressure threshold.
Yuji FUKUDA, Kazuyoshi ARII, Ryohei SUMIYOSHI
Filed: 17 Dec 20